2 * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 #include "ardour/raw_midi_parser.h"
21 using namespace ARDOUR;
23 RawMidiParser::RawMidiParser ()
28 /* based on AlsaRawMidiIn, some code-dup */
30 RawMidiParser::process_byte (const uint8_t byte)
37 prepare_byte_event (byte);
42 if (_status_byte == 0xf0) {
44 return prepare_buffered_event ();
47 _unbuffered_bytes = 0;
53 // Non-realtime status byte
56 _unbuffered_bytes = 0;
59 switch (byte & 0xf0) {
65 // Note On, Note Off, Aftertouch, Control Change, Pitch Wheel
70 // Program Change, Channel Pressure
81 // MTC Quarter Frame, Song Select
96 prepare_byte_event (byte);
107 // Data bytes without a status will be discarded.
113 record_byte (_status_byte);
116 return (_total_bytes == _expected_bytes) ? prepare_buffered_event () : false;